40 C.F.R. § 205.3 Number and gender.
Title 40 - Protection of Environment
As used in this part, words in the singular shall be deemed to import the plural, and words in the masculine gender shall be deemed to import the feminine and vice versa, as the case may require.
Title 40: Protection of Environment
PART 205—TRANSPORTATION EQUIPMENT NOISE EMISSION CONTROLS
Subpart A—General Provisions
§ 205.3 Number and gender.